retrofit

US /ˈret.rə.fɪt/
UK /ˈret.rə.fɪt/
1.

pengubahsuaian

to provide a machine with a part, or a place with equipment, that it did not originally have when it was built:

:
A state program to retrofit engines with pollution controls has succeeded in reducing pollution from trains.
1.

pengubahsuaian

an occasion when a machine or place is retrofitted:

:
Many hospitals are struggling to pay for the retrofits.